{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "However , the inhibitory activity of 4 was weak and therefore this structural hybridization appears to be ineffective for the design of IL - 5 inhibitor ."}
{"Chemical": []}